31539780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19469}}^1$

素因数の和:19490

約数の個数: 60

約数和(自身を含む): 98946540

約数和(自身を除く): 67406760

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 19469, 38938, 58407, 77876, 97345, 116814, 175221, 194690, 233628, 292035, 350442, 389380, 525663, 584070, 700884, 876105, 1051326, 1168140, 1576989, 1752210, 2102652, 2628315, 3153978, 3504420, 5256630, 6307956, 7884945, 10513260, 15769890, 31539780]

約数ペア:

[(1, 31539780), (2, 15769890), (3, 10513260), (4, 7884945), (5, 6307956), (6, 5256630), (9, 3504420), (10, 3153978), (12, 2628315), (15, 2102652), (18, 1752210), (20, 1576989), (27, 1168140), (30, 1051326), (36, 876105), (45, 700884), (54, 584070), (60, 525663), (81, 389380), (90, 350442), (108, 292035), (135, 233628), (162, 194690), (180, 175221), (270, 116814), (324, 97345), (405, 77876), (540, 58407), (810, 38938), (1620, 19469)]